Miller Company's contribution format income statement for the most recent month is shown below: Total Per Unit 6.00 3.00 3.00 Sales (40,000 units) Variable expenses Contribution margin Fixed expenses Net operating income $ 240,000 120,000 120,000 46,000 $ 74,000 Required (Consider each case independently) 1, what is the revised net operating income if unit sales increase by 19%? 2. What is the revised net operating income if the selling price decreases by $1.20 per unit and the number of units sold increases by 18%? 3. What is the revised net operating income if the selling price increases by $1.20 per unit, fixed expenses increase by $8,000, and the number of units sold decreases by %? 4. what is the revised net operating income if the selling price per unit increases by 20%, variable expenses increase by 30 cents per unit, and the number of units sold decreases by 13%? 1. Net operating income 2. Net operating income 3. Net operating income 4. Net operating income